Hawaii Solar Installation Contractors
Find certified solar panel installation contractors in Hawaii. Compare local solar installers, explore state rebates, and get free quotes for residential and commercial solar systems.
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Top Contractors in Hawaii
Hawaii Solar Connection
📍 Pāhoa, HI
Hawaii Solar Connection is a solar energy company based in Pāhoa, Hawaii, offering renewable energy equipment and consultation services for residential and commercial customers. The company sells and supplies a range of battery storage solutions, including units from the Fortress series—such as the Fortress Envy True 12K, the Fortress eFlex Max 5.4 kWh, and the eForce T ranging from 9.6 to 153 kWh. Additional battery options include the SimpliPhi 6.6 kWh and the Discover 7.4 kWh. For solar panel hardware, they carry the Hyundai 410-watt bifacial panel. Products are available through their online shop, where pricing varies by module. Beyond equipment sales, Hawaii Solar Connection offers complimentary consultations to help customers evaluate renewable energy options and make decisions about sustainable energy systems. Customers can book a consultation directly through the company's website. The business maintains a presence on Facebook and encourages prospective clients to reach out via their contact form.
BlueSky Energy Hawaii
📍 Keaau, HI
BlueSky Energy Hawaii is a solar installation company based in Keaau, Hawaii, serving residential and commercial customers across the Big Island. For homeowners, they offer grid-tied solar installations, off-grid solar solutions, system upgrades, and solar financing options. Their commercial services mirror this range, covering grid-tied systems, off-grid and microgrid solutions, commercial system upgrades, and financing for businesses. Beyond installation, BlueSky provides ongoing solar support and maintenance services including panel cleaning, system inspections, removal and reinstallation, and repair and maintenance work. Their listed service areas span multiple Big Island communities: Hilo, Kailua-Kona, Keaau, Kurtistown, Naalehu, Pahoa, Waikoloa, Ocean View, and Waimea. The company also maintains a "Truth in Solar" section on their website, suggesting a focus on consumer education and transparency around solar purchasing decisions. They can be reached by phone at (808) 439-6339.
Solar Kauai
📍 Lihue, HI
Solar Kauai is the original solar company on Kauai, founded in 1979 and serving the island for over four decades. Based in Lihue, Hawaii, the company offers three core services: photovoltaic (PV) solar power systems, solar water heating systems, and roofing. With more than 8,000 solar systems installed across the island, Solar Kauai has built a long track record serving residential customers throughout Kauai, including areas such as Koloa, Kekaha, Anahola, and Poipu. The company handles permitting and utility interactions on behalf of customers and works with available tax credits to reduce the net cost of installations. Customer reviews highlight competitive pricing, accurate system sizing, and responsive project management. Solar Kauai also services and repairs existing solar water heating systems, not just new installations. The company positions its work in the context of reducing dependence on KIUC, Kauai's electric utility, and helping homeowners hedge against future electricity price increases. For residential customers weighing the financial case, the company notes that a typical PV system costs approximately $8,000 after tax credits and can offset a $300 monthly electric bill within a few years. Solar Kauai maintains a presence on Facebook and Instagram under the handle @solarkauai.
True Green Solar
📍 Wahiawa, HI
True Green Solar is a Wahiawa, Hawaii-based contractor specializing in residential solar hot water systems. The company holds Hawaii contractor license #C30932 and is accredited by the Better Business Bureau. Rather than photovoltaic power generation, True Green Solar focuses exclusively on solar thermal technology, serving homeowners who want to reduce hot water heating costs for showering, laundry, cooking, and other household uses. The company is a distributor and installer of SunEarth products, a North American solar thermal manufacturer whose Empire Series liquid flat plate collectors are among the longest-established in the market. True Green Solar also installs SunEarth storage tanks, available in 80- and 120-gallon side-connect and top-connect configurations, engineered specifically for residential direct solar systems. According to the company, properly installed systems can offset up to 80% of a household's hot water demand and reduce monthly electric bills by up to 40%. For customers who prefer to finance the installation, True Green Solar offers 100% unsecured financing with no interest or payments for the first six months, no application fee, no closing costs, and no prepayment penalties. The company can be reached by phone at (808) 306-7823 or by email at [email protected].
Solar Saint
📍 Hilo, HI
Solar Saint is a solar installation and service company based in Hilo, Hawaii, serving Hilo, Kona, and the broader Big Island. The company offers both residential and commercial solar installations, along with a wide range of maintenance and support services for existing systems. Installation options include grid-tied and off-grid solar configurations, with battery storage solutions available for customers seeking energy independence or backup power. Beyond new installations, Solar Saint handles solar panel removal and reinstallation, panel replacement, microinverter replacement, and battery swaps. The company also provides solar system design, inspections, troubleshooting and repair, inverter and monitoring setup, solar programming, and panel cleaning. Customers with existing systems can request upgrades, including off-grid system upgrades and general improvements to current setups. Electric vehicle charging installation is also listed as a service. Solar Saint can be reached by phone or text at 808-731-1854. The breadth of their service menu positions them as a resource for both new solar customers and those looking to maintain, repair, or expand systems already in place on the Big Island.
Solar HI / Jackson Electric, LLC.
📍 Kihei, HI
Solar HI / Jackson Electric, LLC is a solar energy contractor based in Kihei, Hawaii, serving Maui with solar installation, battery-based solar storage, and electric vehicle charging station installation. Operating as a division of Jackson Electric LLC (license CT-32267), the company offers custom solar system design and installation for residential, commercial, and remote properties, using high-efficiency panels. Their battery-based solar service stores excess solar energy for use during nighttime hours or grid outages, providing backup power and greater energy independence. For commercial clients and fleet operators, Solar HI installs EV charging infrastructure with intelligent energy management capabilities. The company is listed with the Better Business Bureau and can be reached by phone, email, or WhatsApp. Their office is located at 171 Auhana Rd, Kihei, Hawaii 96753, and they maintain a portfolio of completed projects on their website. Solar HI positions its services around reducing electricity costs, lowering reliance on grid power, and supporting the transition to renewable energy on Maui.
STI Solar & Roofing
📍 Lihue, HI
STI Solar & Roofing is a solar and roofing contractor located in Lihue, Hawaii. Based on the business name, the company offers both solar installation and roofing services to customers on Kauai. No additional details about specific service offerings, service areas, certifications, financing options, or company history were available from the business website at the time of this listing. Prospective customers are encouraged to contact STI Solar & Roofing directly for current information on residential or commercial solar installation, roofing services, warranty terms, and pricing.
Grand Solar, Inc.
📍 Honolulu, HI
Grand Solar, Inc. is a Honolulu-based solar installation company established in Hawaii in 1980 and incorporated in 1985. With over 30 years of operation, the company installs both residential and commercial solar systems across Hawaii. Their solar thermal offerings include Blazing Tubes systems, conventional pump solar hot water systems, and thermosyphon solar hot water systems. Grand Solar also installs residential photovoltaic systems using US-manufactured components only, which carry industry-leading performance warranties. Founder John Grandinetti remains personally present at all residential and commercial installations completed by the company. Grand Solar has maintained an A+ rating with the Better Business Bureau since joining in 1990, and the Regulated Industries Complaint Office has no record of complaints or legal actions against the company. Grand Solar is also an active member of the Hawaii Solar Energy Association. The company can be reached by phone at 808-737-3536 or by email at [email protected].
Hawaii Solar Outfitters
📍 Pāhoa, HI
Hawaii Solar Outfitters is a Big Island-based solar equipment supplier and installer serving residential and commercial customers in Pāhoa, Hawaii. The company focuses on complete off-grid solar systems designed specifically for the coastal conditions of the Hawaiian Islands, selecting components rated to handle salt air, intense sun exposure, and tropical storms. Their product lineup includes high-efficiency bifacial solar panels — such as the SUNKET 430W N-Type bifacial module priced at $195 each — alongside hybrid and off-grid inverters, including the EG4 12000XP capable of whole-home energy management at $2,499. For energy storage, they carry LiFePO4 lithium battery systems including the EG4 14.3 kWh indoor wall-mount unit at $4,499 and the EG4 16 kWh weatherproof outdoor model at $5,499. The company offers solar system planning resources through an FAQ section on their website and provides ongoing technical support and maintenance guidance after installation. Hawaii Solar Outfitters serves both residents seeking full off-grid independence and customers managing grid-tied energy needs. As a locally rooted Big Island business, they position their work around knowledge of how Hawaii's environment affects solar equipment performance over time.
Solar Services Hawaii
📍 Aiea, HI
Solar Services Hawaii is a locally owned and operated solar company based in Aiea, Hawaii, founded in September 2007 by Laurence "Larry" Ponce. Larry was born and raised in Hawaii and began his career in the solar industry in 1991 as an installer for a local solar company. Over the years he worked across multiple facets of the industry, gaining experience in solar water heating, photovoltaic systems, and HVAC. That background led him to establish Solar Services Hawaii with the mission of helping Hawaii residents and businesses reduce their reliance on conventional energy. The company offers solar installations, maintenance, and repairs. Its technicians are described as professional and fully insured, with the team collectively bringing over 30 years of combined experience in the solar industry. Solar Services Hawaii emphasizes a customer-first approach grounded in the Aloha spirit, positioning itself as a long-term partner rather than a one-time contractor — focused on helping customers understand their solar systems and get lasting value from their investment. The company has a Yelp presence and serves customers across Hawaii. A resources section and incentives page on the company website indicate they also help customers navigate solar financial programs, though the specific programs are not detailed in the available content.
Sunspear Energy
📍 Honolulu, HI
Sunspear Energy is a locally owned and operated solar installation company based in Honolulu, Hawaii, serving both residential and commercial customers across the state. The company holds NABCEP Certified PV Installer credentials and has completed over 60,000 solar panel installations totaling more than 22 megawatts of capacity. Past commercial projects include installations at Honolulu Airport, Wet 'N Wild, and Big Island Grown, alongside numerous residential rooftop systems. Sunspear offers a turn-key process that covers system design, installation, permit filing, utility applications, and associated paperwork. In addition to photovoltaic systems, the company installs battery storage — including Tesla Powerwall as a Premier Installer — and EV charging equipment. The company works with panels and components from Maxeon, Q Cells, REC, SolarEdge, and IronRidge, and carries Solar Insure-backed warranties. Financing options and guidance on available Hawaii state and federal incentives are also available. An ongoing service and maintenance program supports customers after installation. Sunspear operates with a 5-star customer review rating and positions its work around helping Hawaii homeowners and businesses reduce utility dependence and lower their carbon footprint through distributed solar generation and battery backup.
Sun King Inc
📍 Kahului, HI
Sun King Inc. is a solar energy and water treatment company headquartered in Kahului, Hawaii, with additional showroom locations in Honolulu and Lihue. Founded in 1976, the company installs and services solar systems for residential and commercial customers across Oahu, Maui, and Kauai. Their solar offerings include photovoltaic (solar electric) systems, solar hot water systems, solar air conditioners, solar pool heating, and solar battery systems. Beyond solar, Sun King also provides water treatment products and services, including water diagnostics. The company sells and services equipment at all three island locations, giving customers on Oahu, Maui, and Kauai access to in-person consultations at their showrooms. Sun King was selected for the 2009 Best of Hawaiian Islands Award in the Solar Energy Contractor category by the U.S. Commerce Association, which recognized local businesses for service quality and community contribution. The company's stated focus is on helping homeowners and businesses reduce electricity costs and lower their environmental impact through solar technology. Customers can visit any of the three showrooms, call for estimates, or reach the team online to discuss energy options suited to their needs.